| MODEL | BUELL XB12R FIREBOLT 2006 |
| Year | 2006 |
| Engine Type | 45° V-twin, four-stroke, pushrod OHV, hydraulic self-adjusting lifters, 2 valves per cylinder |
| Displacement / Capacity | 1203 cc / 73 cu in |
| Bore X Stroke | 88.9 x 96.8 mm |
| Compression Ratio | 10.0:1 |
| Cooling System | Air cooled |
| Max Power | 86.9 kW / 103 hp @ 6800 rpm |
| Max Torque | 114 Nm / 84 ft-lbs @ 6000 rpm |
| Ignition | — |
| Induction | 49 mm downdraft DDFI II fuel injection |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Belt |
| CHASSIS SPECS | |
| Frame | Aluminium frame with Uniplanar powertrain vibration isolation |
| Front Suspension | Showa 41 mm inverted forks, adjustable for compression, rebound and preload; 120 mm / 4.7 in travel |
| Rear Suspension | Showa coil-over monoshock, remote underseat reservoir, adjustable for compression, rebound and preload; 127 mm / 5.0 in travel |
| Front Brakes | 375 mm single-sided floating stainless disc, ZTL 6-piston fixed caliper |
| Rear Brakes | 240 mm single disc, 1-piston floating caliper |
| DIMENSION SPECS | |
| Overall Length | 1924 mm / 75.7 in |
| Overall Width | 768 mm / 30.2 in |
| Overall Height | 1092 mm / 43.0 in |
| Seat Height | 775 mm / 30.5 in |
| Wheelbase | 1320 mm / 52.0 in |
| Ground Clearance | 127 mm / 5.0 in |
| Dry Weight | 179 kg / 395 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 120/70 ZR17 |
| Rear Tyre | 180/55 ZR17 |
| FUEL SYSTEM | |
| Fuel Capacity | 14 Litres / 3.7 US gal |
| Fuel Consumption | 5.6 L/100 km / 42 US mpg |
| Top Speed | 249 km/h / 155 mph |
The 2006 XB12R was reviewed as Buell's best sport bike yet, pairing the XB9R's handling with the larger 1203 cc engine. It has the same fuel-tank frame and belt drive, with a new key system and amber-tinted wheels noted in tests.
